I am trying to make one traffic generator tool in linux centOS 6.5. I am using curl for this purpose. I can generate traffic from virtual interfaces using curl but I don't know if I can control number ...

Hello I'm new in Linux and at my work I have a server that runs a banking software.
The company that made the software said that the stack size should be set to unlimited.
Does this make the software ...

I am facing a problem where I have a fleet of servers which contain a lot of data. Each of the host runs many instances of a specific process p1, which makes several scp connections to other hosts in ...

I have a packet rate limit (max. 10 per seconds) which is set by my internet provider. This is a problem if I want to use the AceStream player, because if I exceed the limit I get disconnected.
How ...

What are the length limitations for using here-docs as part of bash command lines? I am finding that short here-docs work fine, but when they get longer there is some point or structure after which ...

I am running Debian wheezy. File limits are increased to 100000 for every user.
ulimit -a and ulimit -Hn / -Sn show me the right amounts of maximum open file limits even in screen.
But for some reason ...

I am considering using btrfs on my data drive so that I can use snapper, or something like snapper, to take time based snapshots. I believe this will let me browse old versions of my data. This would ...

When it comes to use GPIOs, is there a limited number that can be used in Linux (except through the limitation of the physical availability/amount of the ports/pins) or is it theoretically possible to ...

There are plenty of questions and answers about constraining the resources of a single process, e.g. RLIMIT_AS can be used to constrain the maximum memory allocated by a process that can be seen as ...

I've been having some instability issues with my LDAP server. I have ~2000 machines connecting to it. Using netstat -pant | grep slapd, I can typically see 1500+ connections from the clients to the ...

I want my device to use less CPU to save battery. I have a program that uses a large amount of it. nice won't help as all it does is change scheduling when CPU is at %100, while I don't want it to get ...

I landed up in a situation wherein I had to access a Linux machine via puTTY.I made various attempts to SSH but failed to connect to the machine.
I then realised my colleague was accessing the same ...

I currently have a "friend" that has an account on my dedicated server which is running Ubuntu. Not getting into specifics, but he said he will use ~2gb max and he's using ~10gb. On to the question. ...

is it possible to limit number of processes for a given group or user using the process name? Eg. I'd like to groups remotes have only 5 simultaneous ssh processes that are run on my server.
I don't ...

I've been researching how to limit a user's monthly TCP download plus upload quotas. The total transfer limit is 1 TB / month . There are 50 users, so I wish to limit each user to a maximum of 20 GB / ...

I have a SLES-11 machine on which I am not the root where I am building software code that makes extensive use of message queues. Due to some bugs, Now have an error:
mq_open: Too many open files
I ...

In Linux, there is open file limit. I can use ulimit -n to see open file limit, which is 1024 default. Then I also can see per process open file soft/hard limit by looking at /proc/$PID/limits. I see ...

I feel like every tutorial I read on resource management in server settings starts by asserting that file handles are a scarce resource, and we should therefore aim to keep the list of open files to a ...

I was reading this answer to a question on setting limits for processes by using cgroups. The sample given sets limits for a process (in the example, sshd). In the answer, the PID of the process is ...

Is there a method of slowing down the copy process on Linux?
I have a big file, say 10GB, and I'd like to copy it to another directory, but I don't want to copy it with full speed. Let's say I'd like ...